Endeavour does not wake from sleep

I’m on a fresh install of EOS, using KDE plasma. Everything else works fine but when I put it to sleep either from closing the lid or by systemctl suspend, it does not wake up. The backlit turns on and it displays these 5 lines and then the backlit turns off within seconds.

[198.400803] Bluetooth: hc10: unexpected cuent for opcode Ox0c24
[216.356358] i2c_hid_acpi i2c-ELAN0788:00: i2c_hid_get input: incomplete report (14/65280)
[216.715703] iwlwifi 0000:00:14.3: WRT: Invalid buffer destination
[218.017892] 1915 0000:00:02.0: [drm] ERROR Failed to write source DUI
[223.646367] 1915 0000:00:02.0: [drm] ERROR [CONNECTOR:236:eDP-1][ENCODER:235:DDI A/PHY A][DPRX] Failed to enable link training

It may be relevant that there is only s2idle is available in and no other option is there like suggested in archwiki.
cat /sys/power/mem_sleep says-

[s2idle]